Solving more difficult Concentration Problems

[MatthewHan95]

How do you know that the salt is gonna be NaCl ?

[yellowbananashake12]

thank you so much!

[kodachromeable]

thanks dude

[captfizzix]

Its called a TI83 emulator. You can download it off the Texas Instruments website (I think) the tricky part was getting the ROM file off of my calculator. It's easier to just find someone who has it and copy the folder onto your desktop. After that it runs just fine!

[masterfolk]

how did u get that calculator